Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  ONTARIO TEACHERS PENSION PLAN BOARD
 2. Date of Event Requiring Statement (Month/Day/Year)
11/14/2014		 3. Issuer Name and Ticker or Trading Symbol
MACERICH CO [MAC]
(Last)
(First)
(Middle)
5650 YONGE STREET, 3RD FLOOR		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

TORONTO, A6 M2M 4H5		 6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock, par value $0.01 per share 17,140,845 (1)
I
See Note (2)
Common Stock, par value $0.01 per share 27,682
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
ONTARIO TEACHERS PENSION PLAN BOARD
5650 YONGE STREET, 3RD FLOOR
TORONTO, A6 M2M 4H5		     X    
1700480 ONTARIO INC
20 QUEEN STREET WEST, 5TH FLOOR
TORONTO, A6 M5H 3R4		     X    

Signatures

/s/ Sandra Hardy, Authorized Person on behalf of 1700480 Ontario Inc. 11/20/2014
**Signature of Reporting Person Date
/s/ Rossana Di Lieto, Chief Compliance Officer on behalf of Ontario Teachers' Pension Plan 11/20/2014
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Prior to the Reporting Persons becoming subject to Section 16, Ontario Teachers' Pension Plan effected a short sale of 1,000 shares of Common Stock through a wholly-owned subsidiary of Ontario Teachers' Pension Plan that remained open until November 18, 2014 when the wholly-owned subsidiary closed out the short position.
(2) 17,140,845 shares of Common Stock are owned directly by 1700480 Ontario Inc., which is a wholly owned subsidiary of Ontario Teachers' Pension Plan. Ontario Teachers' Pension Plan is an indirect beneficial owner of such reported securities.

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